华东师范大学学报(自然科学版) ›› 2013, Vol. 2013 ›› Issue (3): 176-185，218.

• 应用物理 • 上一篇    下一篇

基于复形法的LLC谐振变换器最优设计方法及其实现

郭稳涛1,  何怡刚2   

  1. 1. 湖南机电职业技术学院 电气工程系, 长沙 410151；2. 湖南大学~~电气与信息工程学院, 长沙 410082
  • 收稿日期:2012-08-01 修回日期:2012-11-01 出版日期:2013-05-25 发布日期:2013-07-10

Optimum design of LLC resonant converter based on complex method and its realization

GUO Wen-tao1, HE Yi-gang2   

  1. 1. Hunan Mechnical & Technical Polytechnic, Changsha 410151, China; 2. Hunan University, Changsha 410082, China
  • Received:2012-08-01 Revised:2012-11-01 Online:2013-05-25 Published:2013-07-10

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摘要： 以效率为优化目标,
以品质因数~$Q$、励磁电感与谐振电感的比值~$h$~以及磁性元件的工作磁通~$B_{\rm
max}$~为优化变量, 详细给出了实现最优设计的各个步骤,
包括损耗建模、边界条件的推导以及最优解的求解流程. 最后制作了一台~100
kHz、300 W~的样机. 给出了最优设计与可行设计的理论与实验对比结果.
实验结果证明了该最优设计方法的有效性和准确性.

关键词: LLC~谐振变换器, 复形法, 最优设计

Abstract: In the process of optimization, the $Q$ factor of the
converter, the $h$ ratio of magnetizing inductance to resonant
inductance and the maximum flux $B_{\rm max}$ were chosen as the
optimal parameters, the details on the power loss of the converter
was presented, the boundary conditions was deduced and the process
of getting optimum solution was proposed. Finally, a
three-hundred-watt prototype was build; the theoretical and
experimental comparison result verified the feasibility and accuracy
of the design method.

Key words: LLC resonant converter, complex method, optimum design

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